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Finding the Fourth Proportional to 259.19, 358.39 and 246.23

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Solution

The fourth proportional to 259.19, 358.39 and 246.23 is: 340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.19 : 358.39 = 246.23 : x
  2. Step 2: Convert to fraction form
    259.19/358.39 = 246.23/x
  3. Step 3: Cross multiply
    259.19x = 358.39 × 246.23
  4. Step 4: Simplify right side
    259.19x = 88,246.37
  5. Step 5: Solve for x
    x = 88,246.37/259.19
  6. Step 6: Final answer
    x = 340.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.